Continuing the work on the recipes related to GNU Ring

[Adonay Felipe Nogueira]

Here is a work-in-progress set of package definitions, the packages are
upgraded to their latest version, except for:

- pjproject(-sfl) :: Which I upgraded to 2.5.5 so as to respect the
  compatibility of the patches that are in "[Tarball with
  sfl-patches]/ring-project/daemon/contrib/src/pjproject". Although
  version 2.6 of the original pjprojects is out.

- argon2 and opendht :: For which I copied the recipe from Guix servers,
  bud didn't check for new versions yet (not even in the original
  recipes). I copied the original ones so as to try to apply the changes
  proposed by Mx. Gradl. However, I do know that we must send changes to
  upstream (this is why the first FIXME reflects such need), I just want
  to have a working patch (no need to commit it) so as to make sure
  things work across all Guix users.

Currently, the "configure" phase of the "libring" package is failing due
to missing "restbed" dependency.

-- 
- [[https://libreplanet.org/wiki/User:Adfeno]]
- Palestrante e consultor sobre /software/ livre (não confundir com
  gratis).
- "WhatsApp"? Ele não é livre, por isso não uso. Iguais a ele prefiro
  Ring, ou Tox. Quer outras formas de contato? Adicione o vCard que
  está no endereço acima aos teus contatos.
- Pretende me enviar arquivos .doc, .ppt, .cdr, ou .mp3? OK, eu
  aceito, mas não repasso. Entrego apenas em formatos favoráveis ao
  /software/ livre. Favor entrar em contato em caso de dúvida.
- "People said I should accept the world. Bullshit! I don't accept the
  world."
                                                 --- Richard Stallman

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